<template>
  <div class="tabs">
    <el-tag
      v-for="(item, index) in tags"
      :key="item.path"
      :closable="item.name !== 'home'"
      :effect="$route.name === item.name ? 'dark' : 'plain'"
      @click="changeMenu(item)"
      @close="handleClose(item, index)"
      size="small"
    >
      {{ item.label }}
    </el-tag>
  </div>
</template>
<script>
import { mapState, mapMutations } from "vuex";
export default {
  name: "CommonTag",
  data() {
    return {};
  },
  computed: {
    ...mapState({
      tags: (state) => state.tab.tabsList,
    }),
  },
  methods: {
    ...mapMutations(["closeTag"]),
    //点击tabs跳转的功能
    changeMenu(item) {
      console.log(item);
      this.$router.push({ name: item.name });
    },
    //点击tag删除的功能
    handleClose(item, index) {
      //调用store中的Mutation
      this.closeTag(item)
      const length = this.tags.length;
       //删除之后的跳转逻辑
            if(item.name !== this.$route.name){
                return
            }
            //表示的是删除的最后一项
            if(index===length){
                this.$router.push({
                    name:this.tags[index -1].name
                })
            }else{
                this.$router.push({
                    name:this.tags[index].name
                })
            }
    },
  },
};
</script>

<style lang="less" scoped>
.tabs{
  padding:20px;
  .el-tag{
    margin-right:15px;
    cursor: pointer;
  }
}
</style>